| All Country Flags of the World | 0 | - | 5.00 | 3,624,551 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,530,387 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,334 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,048 |
| Flags with Crescents | 0 | - | 4.98 | 168,250 |
| Country Flag Trivia | 0 | - | 4.81 | 56,274 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,846 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,795 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,388 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,318 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,703 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,069 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,536 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,715 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,415 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,217 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,170 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,009 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,000 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,798 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,039 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,133 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,895 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,604 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,082 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,443 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,834 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,989 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,971 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,279 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,469 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,596 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,196 |
| Flags of North and South America | 0 | - | 4.99 | 369,658 |
| Flags to Languages | 0 | - | 4.95 | 172,920 |
| Former Flags | 0 | - | 4.97 | 107,093 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,747 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,182 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,046 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,337 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,808 |
| 20 Random Country Flags | 0 | - | 4.99 | 607,671 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,298 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,848 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,872 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,887 |
| Flag Maths | 0 | - | 4.63 | 57,700 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,840 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,149 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,581 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,513 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,362 |
| World Coats of Arms | 0 | - | 4.99 | 64,091 |
| Similar Flags #1 | 0 | - | 4.74 | 129,425 |
| Similar Flags #2 | 0 | - | 4.74 | 136,708 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,835 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,179 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,456 |
| Emoji Flags | 0 | - | 4.35 | 43,904 |
| Countries by Road Signs | 0 | - | 4.98 | 53,349 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,220 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,090 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 23,128 |
| Select the World Flags | 0 | - | 4.27 | 37,525 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,511 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,707 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,167 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,819 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,963 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,775 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,328 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,586 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,105 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,537 |
| Name a Valid Country Flag | 0 | - | 4.67 | 75,143 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,292 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,374 |
| Pixelated World Map | 0 | - | 5.00 | 142,810 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,151 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,682 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,991 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,043 |
| Boundary Waters | 0 | - | 4.92 | 88,190 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,932 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,585 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,723 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,062 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,975 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,551 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,961 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,134 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,700 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,228 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,977 |
| Geography by Picture - B | 0 | - | 4.42 | 55,489 |
| Geography by Picture - H | 0 | - | 4.50 | 58,102 |
| Geography by Picture - N | 0 | - | 4.45 | 42,099 |
| Geography by Picture - R | 0 | - | 4.56 | 40,926 |
| Geography by Picture - T | 0 | - | 4.54 | 57,738 |
| Flags of Oceania | 0 | - | 5.00 | 256,636 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,390 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,664 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,353 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,728 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,167 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,117,354 |
| Flags of WW1 | 0 | - | 4.60 | 38,120 |
| Landlocked Countries | 0 | - | 4.99 | 416,046 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 560,208 |
| Satellite Images #1 | 0 | - | 4.46 | 129,151 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,110 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,757 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,751 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,874 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,592 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,776 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,324 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,269 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,205 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,463 |
| World Capitals Quiz | 0 | - | 5.00 | 5,046,899 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,636 |
| Himalayan Countries | 0 | - | 4.95 | 136,247 |
| Andean Countries | 0 | - | 4.95 | 83,330 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,606 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,819 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,309 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,926 |
| Danube Countries | 0 | - | 4.97 | 71,334 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,117 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,791 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,023 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,975 |
| European Landlocked Countries | 0 | - | 4.99 | 146,052 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,662 |
| Countries with the Most Species | 0 | - | 4.99 | 97,823 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,806 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,301 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,479 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,115 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,762 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,134 |
| Countries in the Alps | 0 | - | 4.86 | 117,254 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,842 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,758 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,212 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,666 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,563 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,206 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,913 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,953 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,754 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,286 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,324 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,182 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,676 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,938 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,945 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,609 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,853 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,388 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,134 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,684 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,428 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,781 |
| Largest Countries By Category | 0 | - | 4.97 | 157,178 |
| Countries by Countries | 0 | - | 4.96 | 62,531 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,791 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,062 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,399 |
| Merged Country Flags | 0 | - | 4.88 | 106,282 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,533 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,355 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,279 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,035 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,736,517 |
| Merged Countries #2 | 0 | - | 4.96 | 98,664 |
| Merged Countries #6 | 0 | - | 4.90 | 72,918 |
| Merged Countries #7 | 0 | - | 4.93 | 82,159 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,977 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,606 |
| Geography by Picture - A | 0 | - | 4.39 | 60,116 |
| Geography by Picture - D | 0 | - | 4.15 | 45,551 |
| Geography by Picture - F | 0 | - | 4.31 | 50,885 |
| Geography by Picture - G | 0 | - | 4.38 | 47,855 |
| Geography by Picture - J | 0 | - | 4.16 | 38,376 |
| Geography by Picture - K | 0 | - | 4.29 | 33,050 |
| Geography by Picture - C | 0 | - | 4.31 | 56,981 |
| Geography by Picture - L | 0 | - | 4.37 | 58,835 |
| Geography by Picture - M | 0 | - | 4.14 | 40,375 |
| Geography by Picture - P | 0 | - | 4.24 | 42,343 |
| Geography by Picture - S | 0 | - | 4.38 | 46,958 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,821 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,309 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,586 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,081 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,814 |
| Longest International Borders | 0 | - | 4.99 | 264,227 |
| Countries with Three Borders | 0 | - | 4.96 | 36,318 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,751 |
